Finding the Fourth Proportional to 1,989,203.44, 2,983,826.08 and 1,592,366.88
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Solution
The fourth proportional to 1,989,203.44, 2,983,826.08 and 1,592,366.88 is: 2,388,567.07
Step by Step Solution
- Step 1: Write the proportion equation
1,989,203.44 : 2,983,826.08 = 1,592,366.88 : x - Step 2: Convert to fraction form
1,989,203.44/2,983,826.08 = 1,592,366.88/x - Step 3: Cross multiply
1,989,203.44x = 2,983,826.08 × 1,592,366.88 - Step 4: Simplify right side
1,989,203.44x = 4,751,345,825,472.23 - Step 5: Solve for x
x = 4,751,345,825,472.23/1,989,203.44 - Step 6: Final answer
x = 2,388,567.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.